<https://www.zacocomputer.com/product/819079-001-hp-4tb-7-2k-3-5-sas-hard-disk/#product>
<http://schema.org/description>
"For best price and hard to find server spares Contact us.\r\nOption Part# 818367-B21\r\nSpare Part# 819079-001\r\nAssembly Part# 872291-002\r\n\r\n\r\n\r\nCategory\r\nProliant HardDrive\r\n\r\n\r\nPart Number\r\n819079-001\r\n\r\n\r\nCapacity\r\n4TB\r\n\r\n\r\nInterface\r\nSerial Attached SCSI (SAS)\r\n\r\n\r\nRotational Speed\r\n7200RPM\r\n\r\n\r\nData Transfer Rate\r\n12G = 12Gb/sec"
<https://www.zacocomputer.com/product/819079-001-hp-4tb-7-2k-3-5-sas-hard-disk/>